The arachnids, also known as harvestmen, can use their legs like a curling marsupial tail — or as a sensor, or for courtship. They can also simply detach one, in case of emergency.

Researchers looked at the impact of free masks, text reminders and celebrity endorsements. It's unclear if the best strategies will help counter anti-mask sentiment in the U.S. during the delta surge.

A NASA mission to a potentially dangerous asteroid has let researchers map out its future trajectory like never before.

Only 23% of those pregnant in the U.S. have had at least one dose of a COVID-19 vaccine, statistics show. And with the delta variant surging, those who are unvaccinated are especially vulnerable.

Some public health experts are also parents of little kids, and have to strategize to keep those too young to be vaccinated safe from getting or spreading the delta variant. Here are their tips.

A new book argues that we've seen a fundamental shift in the treatment of pets since 1998.

Carnivorous plants are rare, but now botanists say they've found one that's long been overlooked. It lives just outside Vancouver, British Columbia, and in other parts of the Pacific Northwest.

U.S. Olympic heptathlete Annie Kunz says tracking her monthly cycles and learning she needs to eat more and get more naps when she's fatigued has already improved her athletic performance.

A new study finds finance professionals fail at their jobs in a surprising way. There are lessons for all of us.

For the first time, scientists have shown that a new kind of genetic engineering can crash populations of malaria-spreading mosquitoes.

We speak with the Nobel Prize-winning founder of behavioral economics about the new — and last — version of his classic book, Nudge.

The authors say their research is the first to show an empirical link between tipping and forced friendliness to sex harassment. More than 70% of female restaurant workers report being harassed.

With much of the U.S. already sweltering this summer, even avid runners, hikers and bikers are wilting. We've got 10 strategies from experts on how to enjoy hot weather exercise without keeling over.

On mountaintop glaciers of Alaska, Washington and Oregon, billions of tiny black worms are tunneling upward to the barren, icy surface. What lures them, and how do they survive the frozen depths?

Clearing natural forests in Brazil in order to grow crops like soybeans has actually made it harder to grow those crops. That's because deforestation makes the weather hotter and drier.